PDBe 1xfx

X-ray diffraction
3.2Å resolution

Crystal structure of anthrax edema factor (EF) in complex with calmodulin in the presence of 10 millimolar exogenously added calcium chloride

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Calmodulin-1 Chains: O, P, Q, R, S, T
Molecule details ›
Chains: O, P, Q, R, S, T
Length: 149 amino acids
Theoretical weight: 17.32 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P0DP23 (Residues: 1-149; Coverage: 100%)
Gene names: CALM, CALM1, CAM, CAM1
Structure domains: EF-hand
Calmodulin-sensitive adenylate cyclase Chains: A, B, C, D, E, F
Molecule details ›
Chains: A, B, C, D, E, F
Length: 777 amino acids
Theoretical weight: 90.13 KDa
Source organism: Bacillus anthracis
Expression system: Escherichia coli
UniProt:
  • Canonical: P40136 (Residues: 33-800; Coverage: 100%)
Gene names: BXA0141, GBAA_pXO1_0142, cya, pXO1-122
Sequence domains:
Structure domains:

Ligands and Environments

2 bound ligands:

1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID
Spacegroup: C2
Unit cell:
a: 318.303Å b: 183.765Å c: 141.516Å
α: 90° β: 90.02° γ: 90°
R-values:
R R work R free
0.262 0.262 0.278
Expression system: Escherichia coli